<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>douqu</title>
  <link rel="stylesheet" href="https://at.alicdn.com/t/font_uy3py1refh3bx1or.css">
</head>

<body>
  <div id="app"></div>
  <!-- built files will be auto injected -->
</body>
<script>
  var num = 1 / window.devicePixelRatio;
  var meta = document.createElement("meta");
  meta.name = "viewport";
  meta.content = "width=device-width, initial-scale=" + num + ", maximum-scale=" + num + ", user-scalable=0";
  document.body.appendChild(meta);
  var fontsize = document.documentElement.clientWidth / 10;
  document.documentElement.style.fontSize = fontsize + "px";
</script>

</html>